Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quem ganhou a dupla mista em 1957 quando Judy Devlin ganhou o individual feminino?
 ###Tabelas: CREATE TABLE canadian_national_championships_and_canadian_open_together (canadian_national_championships_and_canadian_open_together_id AUTO_INCREMENT PRIMARY KEY, Year INT, Men's singles VARCHAR, Women's singles VARCHAR, Men's doubles VARCHAR, Women's doubles VARCHAR, Mixed doubles VARCHAR) CREATE TABLE o'reilly_200_memphis (o'reilly_200_memphis_id AUTO_INCREMENT PRIMARY KEY, Pos. INT, Car # INT, Driver VARCHAR, Make VARCHAR, Team VARCHAR) CREATE TABLE top_goalscorers_by_season (top_goalscorers_by_season_id AUTO_INCREMENT PRIMARY KEY, Season INT, Player VARCHAR, Club VARCHAR, Nationality VARCHAR, Goals INT) CREATE TABLE numbers_of_moments_by_decades (numbers_of_moments_by_decades_id AUTO_INCREMENT PRIMARY KEY, First round VARCHAR, Semifinals INT, Conference Finals INT, Finals INT, Total INT) CREATE TABLE months (months_id AUTO_INCREMENT PRIMARY KEY, Months in Malayalam Era VARCHAR, In Malayalam VARCHAR, Gregorian Calendar VARCHAR, Tamil calendar VARCHAR, Saka era VARCHAR, Sign of Zodiac VARCHAR)  
SELECT Mixed doubles FROM canadian_national_championships_and_canadian_open_together WHERE Women's singles = judy devlin AND Year = 1957